Toyota Celica 2005 Repair Manual page 1440

EM−54
Deviation
2005 CELICA (RM1131U)
ENGINE MECHANICAL
S
S
1.0 − 1.4 mm (0.039 − 0.055 in.)
If not, correct the valve seats as follows:
(1)
30°
45°
1.0 − 1.4 mm
A01476
(2)
75°
45°
1.0 − 1.4 mm
A01477
(e) Hand−lap the valve and valve seat with an abrasive com-
pound.
(f) After hand−lapping, clean the valve and valve seat.
A01072
12. INSPECT VALVE SPRINGS
(a) Using a steel square, measure the deviation of the valve
spring.
Maximum deviation: 1.6 mm (0.063 in.)
Maximum angle (reference): 2°
If the deviation is greater than maximum, replace the valve
spring.
EM0988
1439
− CYLINDER HEAD
If blue appears 360° around the valve seat, the
guide and face are concentric. If not, resurface the
seat.
Check that the seat contact is in the middle of the
valve face with the following width:
If the seating is too high on the valve face, use 30°
and 45° cutters to correct the seat.
If the seating is too low on the valve face, use 75°
and 45° cutters to correct the seat.